4.3 Active Transport

Active transport requires cellular energy and moves substances from area of ________________ concentration to ______________ concentration.

• low, low

• low, high

• high, low

• high, high

Cellular energy required for active transport comes directly in the form of _________.

• glucose

• lipids

• ATP

• NADPH

Tags

NGSS.HS-LS1-7

The process below is illustrating what?

• passive transport - facilitated diffusion

• Active transport - facilitated diffusion

• passive transport - sodium, potassium ion pump

• active transport - sodium, potassium ion pump

Endocytosis is a process of a cell bringing things into the cell. This is a(n) ____________ process.

• active

• passive

• hypotonic

• isotonic

Which is an accurate description of the diagram below?

• Na+ and Amino Acids are both transporting passively.

• Na+ and Amino Acids are both transporting actively.

• Na+ is diffusing passively, and Amino Acids are transporting actively.

• Na+ is transporting actively, and Amino Acids are diffusing passively.

Endocytosis and exocytosis both use energy to engulf substances with the cell membrane. However, _____________ brings substances into the cell, while ____________ takes substances out of the cell.

• endocytosis, exocytosis

• exocytosis, endocytosis

• endocytosis, endocytosis

• exocytosis, exocytosis

Tags

NGSS.HS-LS2-3

A nerve cell requires a very high concentration of sodium ions in the extracellular fluid and a similarly high concentration of potassium ions in the cytoplasm. This requires ATP, so the cell cannot achieve this state through ____________ transport.

• active

• passive

• isotonic

• cellular

Tags

NGSS.HS-LS1-3

Macromolecules are often too large to fit through the cell membrane or membrane proteins. Cells can transport these molecules by packaging them in small membrane sacs called _____________.

• lysosomes

• golgi bodies

• vesicles

• ribosomes

Passive transport moves material __________ its concentration gradient. While active transport moves substances ___________ its concentration gradient.

• down, against

• against, down

• down, down

• up, up

The movement of large quantity of solutes or liquid into the cell

• exocytosis

• facilitated diffusion

• pinocytosis

• phagocytosis